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參數(shù)資料
| 型號(hào)： | MAX2112 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Complete, Direct-Conversion Tuner for DVB-S2 Applications |
| 中文描述： | 完備的直接變頻調(diào)諧器，用于DVB-S2系統(tǒng) |
| 文件頁(yè)數(shù)： | 10/19頁(yè) |
| 文件大?。?/td> | 313K |
| 代理商： | MAX2112 |
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M
Complete, Direct-Conversion
Tuner for DVB-S2 Applications
10
______________________________________________________________________________________
Table 2. N-Divider MSB Register
BIT NAME
FRAC
BIT LOCATION (0 = LSB)
7
DEFAULT
1
FUNCTION
Users must program to 1 upon powering up the device.
N[14:8]
6–0
0000000
Sets the most significant bits of the PLL integer-divide number (N). N can
range from 19 to 251.
Table 3. N-Divider LSB Register
BIT NAME
BIT LOCATION (0 = LSB)
DEFAULT
FUNCTION
N[7:0]
7–0
00100011 from 19 to 251.
Table 4. Charge-Pump Register
BIT NAME
BIT LOCATION (0 = LSB)
DEFAULT
FUNCTION
CPMP[1:0]
7–6
00
Charge-pump minimum pulse width. Users must program to 00 upon
powering up the device.
CPLIN[1:0]
5–4
00
Controls charge-pump linearity. Users must program to 00 upon powering
up the device.
F[19:16]
3–0
0010
Sets the 4 most significant bits of the PLL fractional divide number. Default
value is F = 194,180 decimal.
Table 5. F-Divider MSB Register
BIT NAME
BIT LOCATION (0 = LSB)
DEFAULT
FUNCTION
F[15:8]
7–0
11110110 Sets the most significant bits of the PLL fractional-divide number (F).
Default value is F = 194,180 decimal.
Table 6. F-Divider LSB Register
BIT NAME
BIT LOCATION (0 = LSB)
DEFAULT
FUNCTION
F[7:0]
7–0
10000100 Default value is F = 194,180 decimal.
Table 7. XTAL Buffer and Reference Divider Register
BIT NAME
BIT LOCATION (0 = LSB)
DEFAULT
FUNCTION
XD[2:0]
7–5
000
Sets the crystal-divider setting.
000 = Divide by 1.
001 = Divide by 2.
011 = Divide by 3.
100 = Divide by 4.
101 through 110 = All divide values from 5 (101) to 7 (110).
111 = Divide by 8.
Sets the PLL reference-divider (R) number. Users must program to 00001
upon powering up the device.
00001 = Divide by 1; other values are not tested.
R[4:0]
4–0
00001
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2112_10 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Complete, Direct-Conversion Tuner for DVB-S2 Applications |
| MAX2112CTI+ | 功能描述:調(diào)諧器 Direct Conv Tuner Tuner for DVB-S2 RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| MAX2112CTI+T | 功能描述:調(diào)諧器 Direct Conv Tuner Tuner for DVB-S2 RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| MAX2112ETI/GG8 | 制造商:Maxim Integrated Products 功能描述:COMPLETE, DIRECT-CONVERSION TUNER FOR DVB-S2 APPLICATIONS - Rail/Tube |
| MAX2112ETI+ | 功能描述:調(diào)諧器 Direct Conv Tuner Tuner for DVB-S2 RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
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